<html xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML" >
<head>
<style type="text/css">

math, mtable { position: fixed; }
math { display: table; }

</style>
</head>
<body>

<m:math><m:mtable></m:mtable></m:math>

</body>
</html>
